Unincorporated Scott County, Iowa requires building permits for listed residential construction, alterations, repairs and demolition, with limited exemptions for minor work, qualifying farm work and small accessory structures1. Scott County also applies zoning to unincorporated land2. Private septic systems are handled by the Scott County Health Department3.
At a glance
- Building permit
- Required for listed work in unincorporated Scott County; limited exemptions include minor repairs, qualifying agricultural work and accessory structures 120 square feet or smaller4
- Zoning
- Yes, for unincorporated Scott County under Chapter 62
- Septic permits
- Scott County Health Department administers the private-system program3
- RV or tiny-home living
- Not confirmed; ask Planning & Development about the parcel and proposed use5
- Owner-builder
- Own-property work is exempt from state contractor registration, not from local permits or inspections6
- Manufactured home
- Cannot be rejected solely because it is manufactured; site-built foundation, setback and size standards still apply7
- Private well
- The Health Department operates the county's well permit and inspection program8
- Floodplain development
- A separate permit is required in designated special flood hazard areas9
Who to call
Building permits
Scott County Planning & Development
Building permits and inspections for unincorporated Scott County, including Park View, and participating cities under intergovernmental agreements
600 W. 4th St. Davenport, IA 52801-1003
Zoning
Scott County Planning & Development
Zoning ordinance and map administration for unincorporated Scott County
600 W. 4th St. Davenport, IA 52801-1003
Floodplain permits
Scott County Planning & Development — Zoning Administrator
Floodplain development permits in designated special flood hazard areas
600 W. 4th St. Davenport, IA 52801-1003
Septic permits
Scott County Health Department — Environmental Health Services
Private sewage disposal system and private water well programs
600 W. 4th St. Davenport, IA 52801-1003
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Scott County, Iowa?
Yes. Scott County requires permits for listed construction, installation, alterations, repairs, replacements and demolition in unincorporated areas4. Examples include decks, garages, heating or air-conditioning work, plumbing, electrical work and roofing1. Pools at least 24 inches deep, sheds over 120 square feet and fences over 6 feet also require permits4. Minor repairs, qualifying agricultural work and accessory structures no larger than 120 square feet are listed exemptions4. Scott County has adopted the 2021 building, residential, property-maintenance and pool codes and the 2015 energy code, with local amendments, along with state-adopted electrical, mechanical and plumbing codes10. An owner working on the owner's own property is exempt from Iowa contractor registration, but that state exemption does not erase Scott County's permit, code or inspection rules6.
Who is the Scott County building department, and how do you reach it?
Scott County Planning & Development issues building permits and performs inspections in unincorporated Scott County, including Park View11. The office is at 600 W. 4th St. Davenport, IA 52801-1003 and its phone number is 563-326-864311. Planning & Development also serves Dixon, Donahue, LeClaire, Long Grove, McCausland, Panorama Park, Princeton and Riverdale through intergovernmental agreements11. Work in those participating cities needs city zoning approval before the county permit application is submitted12. Other incorporated cities may run their own permit and inspection systems, so do not apply unincorporated-county guidance to a city parcel10. For a rural parcel, call Planning & Development with the parcel number, project type and site plan before finalizing construction drawings.
Does Scott County have zoning?
Yes. Chapter 6 is the zoning ordinance for unincorporated Scott County, and the county publishes current district classifications through a layer in its GIS map213. Incorporated municipalities may administer different zoning rules12. Iowa law generally exempts qualifying agricultural land and structures used primarily for farming from county zoning, but floodplain regulation can still apply14. Scott County's agricultural exemption is not automatic: the applicant must qualify, the land and buildings must be primarily adapted and used for agriculture, and the county must grant an exemption certificate15. Subdivision and floodplain rules remain relevant even when an agricultural exemption applies15. The available sources do not confirm a general minimum home size, lot-coverage rule, or tiny-home occupancy rule for unincorporated parcels, so ask Planning & Development about the zoning district and proposed use before buying.
How do septic permits work in Scott County?
Scott County Health Department administers the private sewage disposal system program3. Environmental Health Services reviews soil analysis, checks system sizing, and inspects private systems before and after installation8. The office is at 600 W. 4th St. Davenport, IA 52801-1003 and its phone number is 563-326-86188. Only about 3.1% of Scott County soils are rated without severe limitations for a conventional septic drain field, so make the soil review an early feasibility step rather than assuming a standard trench system will work16. Iowa requires a qualifying private system serving a building with one through four dwelling units to be inspected before an ownership transfer, subject to statutory exceptions17. The Health Department also reviews proposed subdivision plans for private sewage disposal and water supply18.
Can you live in an RV or tiny home on your land in Scott County?
The reviewed sources do not confirm whether an RV or tiny home may be used as a primary residence on unincorporated Scott County land. Scott County zoning still controls land use and structure placement by district, so ask Planning & Development about the exact parcel and proposed occupancy before buying or moving a unit onto the site2. A manufactured home is legally different from a towable RV: Iowa counties cannot reject a residence solely because it is manufactured, but the home must meet the same permanent-foundation, setback and minimum-size standards that apply to a site-built house on the same lot7. Iowa's county accessory-dwelling rule takes effect July 1, 2026, applies where a single-family residence is an allowed principal use, and still requires compliance with applicable building rules19. That statewide ADU rule does not by itself answer RV occupancy or tiny-home classification.
Building a home in Scott County: the steps, in order
- Use the county GIS zoning layer and confirm the parcel's district with Scott County Planning & Development13.
- Ask Planning & Development whether the site is in a designated special flood hazard area; development there needs a separate floodplain permit, including agriculturally exempt structures9.
- Contact Environmental Health Services for septic soil review and system sizing before fixing the house location8.
- If the parcel will use a private well, coordinate with the Health Department's well permit and inspection program8.
- Submit the building-permit materials to Planning & Development; the county issues permits and performs inspections in unincorporated Scott County11.
- Schedule the required inspections as construction proceeds through the county process11.
- If access will connect to an Iowa primary highway, obtain Iowa Department of Transportation approval before access work begins20.
What should you check before buying land in Scott County?
Confirm the zoning district, proposed use and any floodplain designation before closing139. Test septic feasibility early because only about 3.1% of county soils are rated without severe limitations for a conventional drain field16. Ask the Health Department about both private sewage disposal and private-well review, and remember that it reviews water and septic questions for proposed subdivisions818. Verify legal road access; an entrance onto an Iowa primary highway requires state approval before work begins20. Scott County's population density is about 380 people per square mile, and the nearest city of 100,000 or more is about 5 miles from the county's representative point2122. The effective property-tax rate is about 1.5%, with a median annual property-tax bill of about $3,2212324. Treat those countywide figures as budgeting context, not a parcel-specific tax quote.
Watch-outs
- RV occupancy, tiny-home occupancy and a numeric minimum dwelling size remain unconfirmed for unincorporated Scott County; ask Planning & Development about the parcel's district and proposed use2.
- An agricultural exemption does not remove Scott County floodplain-development or subdivision requirements15.
- A parcel inside an incorporated city may have city zoning even where Scott County performs building inspections under an intergovernmental agreement12.
Sources
- Building Permit Requirements (2026 county census)
- Zoning Ordinance & Map, quoted and re-checked
- Wells & Septic, quoted and re-checked
- Building Permit Requirements, quoted and re-checked
- Zoning Ordinance & Map (2026 county census)
- Iowa Code 2026, Chapter 91C — Construction Contractors (Iowa statewide rule), quoted and re-checked
- Iowa Code §335.30, Manufactured and modular homes (Iowa statewide rule), quoted and re-checked
- Scott County Health Department — Environmental Health Services (scottcountyiowa.gov)
- Floodplain Development, quoted and re-checked
- Building Permits, quoted and re-checked
- Scott County Planning & Development (scottcountyiowa.gov)
- Zoning Ordinance & Map, quoted and re-checked
- Zoning Ordinance & Map, quoted and re-checked
- Iowa Code 2026, Chapter 335 — County Zoning (Iowa statewide rule), quoted and re-checked
- Farmers/Ag, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Iowa Code §455B.172, Jurisdiction of department and local boards (Iowa statewide rule), quoted and re-checked
- Farmers/Ag, quoted and re-checked
- Senate File 2369 — Enrolled (Iowa statewide rule), quoted and re-checked
- Access Management (Iowa statewide rule), quoted and re-checked
- Population density: Bolthole Index county data
- Distance to the nearest metro area: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 27, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.